尝试使用用于创建图表的 reportlab 工具创建条形图时出现以下错误。我正在制作一个 DataAwareDrawing 图表。请让我知道我能做什么。
Traceback (most recent call last):
File "C:\Python26\Lib\site-packages\rlextra\graphics\guiedit\guiedit.py", line 1582, in attrChange
self.redraw()
File "C:\Python26\Lib\site-packages\rlextra\graphics\guiedit\guiedit.py", line 1234, in redraw
self.newDrawing()
File "C:\Python26\Lib\site-packages\rlextra\graphics\guiedit\guiedit.py", line 1465, in newDrawing
self.project.getSample()
File "C:\Python26\Lib\site-packages\rlextra\graphics\guiedit\guiedit.py", line 736, in getSample
exec "%s\n_x=%s()\n" % (txt,self.className) in locals()
File "<string>", line 13, in <module>
File "<string>", line 9, in __init__
File "C:\Python26\lib\site-packages\reportlab\graphics\charts\barcharts.py", line 91, in __init__
assert self.__class__.__name__ not in ('BarChart','BarChart3D'), 'Abstract Class %s
Instantiated' % self.__class__.__name__
AssertionError: Abstract Class BarChart Instantiated
Couldn't set self._add(self,BarChart(),name='bar',validate=None,desc=None)